Beregn tidsforskel i minutter i SQL Server

Brug DateDiff med MINUTE forskel:

SELECT DATEDIFF(MINUTE, '11:10:10' , '11:20:00') AS MinuteDiff

Forespørgsel, der kan hjælpe dig:

SELECT StartTime, EndTime, DATEDIFF(MINUTE, StartTime , EndTime) AS MinuteDiff 
FROM TableName